ES2433204T3 - Respiratory mask with a front support - Google Patents

Respiratory mask with a front support Download PDF

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Publication number
ES2433204T3
ES2433204T3 ES08161868T ES08161868T ES2433204T3 ES 2433204 T3 ES2433204 T3 ES 2433204T3 ES 08161868 T ES08161868 T ES 08161868T ES 08161868 T ES08161868 T ES 08161868T ES 2433204 T3 ES2433204 T3 ES 2433204T3
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Spain
Prior art keywords
mask
padding
connecting member
padding frame
frame
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Expired - Lifetime
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ES08161868T
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Spanish (es)
Inventor
Philip Rodney Kwok
Michael Kassipillai Gunaratnam
Perry David Lithgow
Jonathan Paul Harrison
Jonathan Lee Liston
Robert Stephen Matchett
Robert Edward Styles
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Resmed Pty Ltd
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Resmed Pty Ltd
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A61M16/0622—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure having an underlying cushion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • A61M16/0638—Means for improving the adaptation of the mask to the patient with forehead support in the form of a pivot
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0633—Means for improving the adaptation of the mask to the patient with forehead support
    • A61M16/0644—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position
    • A61M16/065—Means for improving the adaptation of the mask to the patient with forehead support having the means for adjusting its position in the form of a pivot
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing
    • A61M16/0672—Nasal cannula assemblies for oxygen therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0683—Holding devices therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/02—General characteristics of the apparatus characterised by a particular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0618—Nose
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45471—Projection having movable connection between components thereof or variable configuration
    • Y10T24/45524—Projection having movable connection between components thereof or variable configuration including resiliently biased projection component or surface segment
    • Y10T24/45529—Requiring manual force applied against bias to interlock or disengage

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Emergency Medicine (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Otolaryngology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

Un conjunto de máscara respiratoria que comprende una máscara respiratoria (16) y un soporte (10) de frente,configurado para ser asegurado a la máscara (16), de tal manera que dicho soporte (10) de frente incluye unmiembro de unión (14), destinado a asegurarse a la máscara (16), y un armazón (12) de acolchado, montado deforma pivotante en el miembro de unión (14), en el cual el armazón (12) de acolchado está configurado para situar uno o más acolchados (25) de frente; el armazón (12) de acolchado está configurado para pivotar con respecto al miembro (14) de unión; caracterizadopor que el armazón (12) de acolchado es susceptible de bloquearse selectivamente en dos o más posiciones angularespredeterminadas con respecto al miembro de unión (14).A respiratory mask assembly comprising a respiratory mask (16) and a front support (10), configured to be secured to the mask (16), such that said front support (10) includes a connecting member (14 ), intended to secure the mask (16), and a padding frame (12), pivotally mounted on the connecting member (14), in which the padding frame (12) is configured to position one or more padded (25) front; the padding frame (12) is configured to pivot with respect to the connecting member (14); characterized in that the padding frame (12) is capable of selectively locking in two or more predetermined angular positions with respect to the connecting member (14).

Description

Máscara respiratoria con un soporte frontal Respiratory mask with a front support

Campo de la invención Field of the Invention

La presente invención se refiere a una máscara facial que se utiliza para suministrar gas respirable a las vías respiratorias de un usuario o persona que la lleva. The present invention relates to a facial mask that is used to deliver breathing gas to the airways of a user or person wearing it.

La invención se ha desarrollado fundamentalmente para ser utilizada para soportar una máscara nasal que se emplea en el tratamiento de Presión Continua Positiva en las Vías Respiratorias (CPAP –“Continuous Positive Airway Pressure”) de, por ejemplo, la Apnea del Sueño Obstructiva (OSA –“Obstructive Sleep Apnea”) y otros tratamientos de ayuda a la ventilación, tales como la Ventilación a Presión Positiva No Invasiva (NIPPV –“Non-Invasive Positive Pressure Ventilation”), y se describirá en lo que sigue de esta memoria con referencia a esta aplicación. Se apreciará, sin embargo, que la invención no está limitada a estos usos particulares y que es también adecuada para utilizarse con, por ejemplo, máscaras que cubren toda la cara (es decir, la nariz y la boca). The invention has been developed primarily to be used to support a nasal mask that is used in the treatment of Positive Continuous Pressure in the Respiratory Tract (CPAP) of, for example, Obstructive Sleep Apnea (OSA) - "Obstructive Sleep Apnea") and other ventilation aids, such as Non-Invasive Positive Pressure Ventilation (NIPPV), and will be described in the following with reference to this application It will be appreciated, however, that the invention is not limited to these particular uses and that it is also suitable for use with, for example, masks covering the entire face (i.e., nose and mouth).

Antecedentes de la invención Background of the invention

El tratamiento de CPAP es un tratamiento paliativo común para afecciones de la respiración, incluyendo la OSA. El tratamiento de CPAP, según se describe en la Patente de los EE.UU. Nº 4.944.310, proporciona aire u otro gas respirable a presión a la entrada de las vías respiratorias de un paciente, a una presión elevada por encima de la presión atmosférica, por lo común, en el intervalo entre 4 y 20 cm de columna de agua. CPAP treatment is a common palliative treatment for breathing conditions, including OSA. The treatment of CPAP, as described in US Pat. No. 4,944,310, provides air or other breathable gas under pressure at the entrance of the airways of a patient, at an elevated pressure above atmospheric pressure, usually in the range between 4 and 20 cm of column of Water.

Es también conocido el hecho de que la magnitud de la presión de tratamiento varíe durante un periodo de tratamiento de acuerdo con las necesidades del paciente, siendo esta forma de CPAP conocida como tratamiento de CPAP nasal de ajuste automático, tal y como se describe en el Patente de los EE.UU. 5.245.995. It is also known that the magnitude of the treatment pressure varies during a treatment period according to the needs of the patient, this form of CPAP being known as an automatic adjustment nasal CPAP treatment, as described in the U.S. Patent 5,245,995.

La NIPPV es otra forma de tratamiento para afecciones de la respiración que puede implicar que se proporcione una presión relativamente más alta de gas dentro de la máscara del paciente durante la fase de inspiración de la respiración, y que se proporcione una presión relativamente más baja o presión atmosférica dentro de la máscara del paciente durante la fase de expiración de la respiración. NIPPV is another form of treatment for breathing conditions that may imply that a relatively higher pressure of gas is provided within the patient's mask during the breath inspiration phase, and that a relatively lower pressure is provided or atmospheric pressure inside the patient's mask during the expiration phase of breathing.

En otros modos de NIPPV, la presión puede hacerse variar de una manera compleja a todo lo largo del ciclo respiratorio. Por ejemplo, la presión en la máscara durante la inspiración o la expiración puede hacerse variar a través del periodo de tratamiento, según se divulga en la Solicitud de Patente Internacional PCT del presente Solicitante Nº PCT/AU97/00631. In other NIPPV modes, the pressure can be varied in a complex way throughout the respiratory cycle. For example, the pressure in the mask during inspiration or expiration may be varied throughout the treatment period, as disclosed in the PCT International Patent Application of this Applicant No. PCT / AU97 / 00631.

Por lo común, la asistencia a la ventilación para el tratamiento de CPAP o de NIPPV se suministra al paciente por medio de una máscara nasal. Alternativamente, puede utilizarse una máscara bucal o una máscara que cubre toda la cara, o bien unas patillas o piezas de inserción nasales. En esta memoria, cualquier referencia a una máscara debe entenderse de manera que incluye una máscara nasal, una máscara bucal, una máscara que cubre toda la cara o patillas o piezas de inserción nasales, a menos que se indique específicamente lo contrario. Typically, ventilation assistance for the treatment of CPAP or NIPPV is given to the patient through a nasal mask. Alternatively, you can use a mouth mask or a mask that covers the entire face, or some pins or nasal inserts. In this report, any reference to a mask should be understood to include a nasal mask, a mouth mask, a mask that covers the entire face or pins or nasal insertions, unless specifically indicated otherwise.

En esta memoria, cualquier referencia al tratamiento de CPAP ha de entenderse de manera que abarque la totalidad de las formas anteriormente descritas de tratamiento o asistencia a la ventilación. In this report, any reference to the treatment of CPAP should be understood to cover all of the previously described forms of treatment or ventilation assistance.

Un aparato de CPAP comprende, en sentido amplio, un generador de flujo constituido por una fuente de suministro continuo de aire u otro gas respirable, tal como un suministro por tubo hospitalario o una soplante. En este último caso, un motor eléctrico acciona la soplante y es, por lo común, controlado por un servocontrolador bajo el control de una unidad de microcontrolador. En cualquier caso, el suministro de gas se conecta a un conducto o tubo que, a su vez, es conectado a una máscara nasal o que cubre toda la cara de un paciente, la cual incorpora, o tiene en estrecha proximidad, un escape a la atmósfera para el venteo de los gases exhalados. Ejemplos de máscaras nasales de la técnica anterior se muestran en las Patentes de los EE.UU. Nos. 4.782.832 y 5.243.971. A CPAP apparatus comprises, in a broad sense, a flow generator consisting of a source of continuous supply of air or other breathable gas, such as a hospital tube supply or a blower. In the latter case, an electric motor drives the blower and is usually controlled by a servo controller under the control of a microcontroller unit. In any case, the gas supply is connected to a conduit or tube that, in turn, is connected to a nasal mask or that covers the entire face of a patient, which incorporates, or has in close proximity, an escape to the atmosphere for venting exhaled gases. Examples of nasal masks of the prior art are shown in US Pat. Nos. 4,782,832 and 5,243,971.

El conducto de suministro aporta gas al interior de una cámara formada por las paredes de la máscara. La máscara incluye un acolchado que se coloca contra la cara de la persona que la lleva, y se asegura normalmente a la cabeza de la persona que la lleva por medio de tiras o cintas. Las cintas se ajustan de manera que tiren de la máscara contra el rostro, a fin de conseguir un cierre u obturación hermética al gas entre el acolchado y la cara del usuario o persona que la lleva. The supply duct provides gas into a chamber formed by the walls of the mask. The mask includes a padding that is placed against the face of the person wearing it, and is normally secured to the head of the person wearing it by means of strips or tapes. The tapes are adjusted so that they pull the mask against the face, in order to achieve a gas-tight seal or seal between the padding and the face of the wearer or person wearing it.

Un problema que surge con las máscaras existentes es que, con el uso de cintas, la máscara es comprimida contra la cara del usuario y puede apretar indebidamente fuerte la nariz del usuario. Por añadidura, la máscara puede moverse en torno a la cara del usuario. De esta forma, se ha venido proporcionando hasta el presente un soporte de frente, que proporciona un mecanismo de soporte entre la máscara y la frente. Este soporte de frente impide que la máscara apriete demasiado fuertemente contra la nariz y/o la región facial del usuario, a la vez que minimiza el movimiento de la máscara al añadir un punto de contacto entre la máscara y la cabeza del usuario, por lo que se reducen los incómodos puntos de presión. Además, el soporte de frente puede disponerse de manera que evite que A problem that arises with existing masks is that, with the use of tapes, the mask is compressed against the user's face and can unduly squeeze the user's nose. In addition, the mask can move around the user's face. In this way, a front support has been provided so far, which provides a support mechanism between the mask and the forehead. This front support prevents the mask from pressing too hard against the nose and / or the user's facial region, while minimizing the movement of the mask by adding a point of contact between the mask and the user's head, so that uncomfortable pressure points are reduced. In addition, the front support can be arranged so as to prevent

el conducto de suministro de gas entre en contacto con la frente o la cara del usuario. the gas supply conduit comes into contact with the user's forehead or face.

Se conocen los soportes de frente con un único acolchado y un único punto de contacto de la frente. The front supports with a single padding and a single contact point on the forehead are known.

La Solicitud de Patente de los EE.UU. de Serie Nº 09/008.708, del presente Solicitante, se refiere a un soporte de frente de una sola pieza y sustancialmente rígido, que tiene un par de acolchados de frente montados en cada extremo exterior del soporte. Este soporte de frente está conectado o unido a la parte superior de una máscara facial e incluye un mecanismo de ajuste para permitir que la separación entre la parte superior de la máscara facial y el soporte de frente se modifique entre posiciones predeterminadas, a fin de modificar el ángulo de la máscara con respecto a la cabeza del usuario para que se adapte a la topografía facial del usuario. The U.S. Patent Application Serial No. 09 / 008,708, of the present Applicant, refers to a one-piece and substantially rigid front support, which has a pair of front padding mounted on each outer end of the support. This front support is connected to or attached to the upper part of a facial mask and includes an adjustment mechanism to allow the separation between the upper part of the facial mask and the front support to be modified between predetermined positions, in order to modify the angle of the mask with respect to the user's head so that it adapts to the user's facial topography.

La Solicitud de Patente provisional australiana Nº PP9499, del presente Solicitante, se refiere a un soporte de frente que tiene un par de brazos pivotantes, cada uno de los cuales tiene un acolchado de frente montado en su extremo distal, o más alejado. Este soporte de frente está conectado o unido a la parte superior de una máscara e incluye un mecanismo ajustable para permitir que el ángulo entre los brazos se modifique entre posiciones predeterminadas, a fin de variar el ángulo de la máscara con respecto a la cabeza del usuario de manera que se adapte a la topografía facial del usuario. Australian Provisional Patent Application No. PP9499, of the present Applicant, refers to a front support having a pair of pivoting arms, each of which has a front padding mounted at its distal end, or further away. This front support is connected or attached to the top of a mask and includes an adjustable mechanism to allow the angle between the arms to change between predetermined positions, in order to vary the angle of the mask with respect to the user's head. so that it adapts to the user's facial topography.

El documento WO 98/04310 A1 divulga una máscara nasal y un acolchado para la misma. WO 98/04310 A1 discloses a nasal mask and a padding thereof.

El documento US 2.245.658 divulga un dispositivo de inhalación que comprende un soporte o sostén de máscara tubular articulado a través del cual se introduce gas dentro de una máscara. US 2,245,658 discloses an inhalation device comprising an articulated tubular mask support or support through which gas is introduced into a mask.

Es un propósito de la presente invención proporcionar una forma alternativa de conjunto de máscara respiratoria con un soporte de frente. It is an object of the present invention to provide an alternative form of respiratory mask assembly with a forehead support.

Compendio de la invención Compendium of the invention

La presente invención se define por las reivindicaciones. The present invention is defined by the claims.

De acuerdo con un primer aspecto, se expone un soporte de frente configurado para ser asegurado a una máscara respiratoria, de tal modo que dicho soporte de frente incluye un miembro de unión destinado a asegurarse a la máscara, y un armazón de acolchado, montado de forma pivotante en el miembro de unión, y en el que: el armazón de acolchado está configurado para situar uno o más acolchados de frente; el armazón de acolchado está configurado para pivotar con respecto al miembro de unión; y el armazón de acolchado es susceptible de bloquearse, selectivamente, en dos o más posiciones angulares predeterminadas con respecto al miembro de unión. According to a first aspect, a front support configured to be secured to a respiratory mask is exposed, such that said front support includes a binding member intended to secure the mask, and a padding frame, mounted from pivoting shape in the connecting member, and in which: the padding frame is configured to place one or more padded front; the padding frame is configured to pivot with respect to the joint member; and the padding frame is capable of being selectively locked in two or more predetermined angular positions with respect to the joint member.

En un segundo aspecto, la presente invención proporciona un conjunto de máscara respiratoria que comprende una máscara respiratoria y un soporte de frente, configurado para ser asegurado a la máscara, de tal modo que dicho soporte de frente incluye un miembro de unión destinado a ser asegurado a la máscara, así como un armazón de acolchado, montado de forma pivotante en el miembro de unión, en el cual: el armazón de acolchado está configurado para situar uno o más acolchados de frente; el armazón de acolchado está configurado para pivotar con respecto al miembro de unión; y el armazón de acolchado es susceptible de bloquearse, selectivamente, en dos o más posiciones angulares predeterminadas con respecto al miembro de unión. In a second aspect, the present invention provides a respiratory mask assembly comprising a respiratory mask and a forehead support, configured to be secured to the mask, such that said forehead support includes a binding member intended to be secured. to the mask, as well as a padding frame, pivotally mounted on the connecting member, in which: the padding frame is configured to place one or more padded front; the padding frame is configured to pivot with respect to the joint member; and the padding frame is capable of being selectively locked in two or more predetermined angular positions with respect to the joint member.

El armazón de acolchado se ha conformado, preferiblemente, en forma de T e incluye un acolchado de frente en cada extremo de la porción superior de la T. The padding frame has preferably been shaped in a T-shape and includes a front padding at each end of the upper portion of the T.

Preferiblemente, uno de entre el armazón de acolchado o el miembro de unión incluye una lengüeta configurada para ser recibida dentro de una de al menos acanaladuras proporcionadas en el otro de entre el armazón de acolchado o el miembro de unión, para así bloquear el armazón de acolchado y el miembro de unión en una de las dos o más posiciones angulares predeterminadas. Preferably, one of between the padding frame or the connecting member includes a tongue configured to be received within one of at least grooves provided on the other between the padding frame or the binding member, so as to block the frame from padding and the connecting member in one of the two or more predetermined angular positions.

Más preferiblemente, se han proporcionado un par de lengüetas en el armazón de acolchado y al menos dos pares de acanaladuras se han proporcionado en el miembro de unión. More preferably, a pair of tongues have been provided in the padding frame and at least two pairs of grooves have been provided in the joint member.

La(s) lengüeta(s) se ha(n) proporcionado, preferiblemente, en un miembro semirrígido que está configurado para permitir que la(s) lengüeta(s) sea(n) desplazada(s) fuera de acoplamiento con las acanaladuras por medio de manipulación manual del miembro. La(s) lengüeta(s) está(n), preferiblemente, conectadas a un botón configurado para sobresalir desde el armazón de acolchado con el fin de facilitar la manipulación manual del miembro. The tongue (s) has preferably been provided in a semi-rigid member that is configured to allow the tongue (s) to be displaced out of engagement with the grooves by means of manual manipulation of the member. The tongue (s) are preferably connected to a button configured to protrude from the padding frame in order to facilitate manual manipulation of the member.

El armazón de acolchado incluye, preferiblemente, medios para conectar o unir una tira o cinta de cabeza al mismo. The padding frame preferably includes means for connecting or attaching a head strip or tape thereto.

La máscara también incluye, preferiblemente, medios para conectar o unir una tira de cabeza a la misma. The mask also preferably includes means for connecting or attaching a head strip thereto.

El miembro de unión puede hacerse, por ejemplo, de polipropileno o policarbonato. The connecting member can be made, for example, of polypropylene or polycarbonate.

La máscara puede incluir una semienvuelta o carcasa de máscara y un acolchado de máscara. La carcasa de máscara puede estar hecha de, por ejemplo, polipropileno o policarbonato. The mask may include a half wrap or mask shell and a mask padding. The mask housing may be made of, for example, polypropylene or polycarbonate.

El armazón de acolchado puede fabricarse de, por ejemplo, polipropileno o policarbonato. The padding frame can be made of, for example, polypropylene or polycarbonate.

Breve descripción de los dibujos Brief description of the drawings

Se describirán a continuación realizaciones preferidas de la invención, a modo de ejemplos únicamente, con referencia a los dibujos que se acompañan, en los cuales: Preferred embodiments of the invention will be described below, by way of examples only, with reference to the accompanying drawings, in which:

La Figura 1 es una vista en perspectiva desde delante de una primera realización de un soporte de frente conectado Figure 1 is a perspective view from the front of a first embodiment of a connected front bracket

o unido a una máscara nasal, de acuerdo con la invención; or attached to a nasal mask, according to the invention;

La Figura 2 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, con la lengüeta del armazón de acolchado acoplada con uno de los pares de acanaladuras del miembro de unión; Figure 2 is a cross-sectional side view of the front support shown in Figure 1, with the tongue of the padding frame coupled with one of the pairs of grooves of the connecting member;

La Figura 3 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, con la lengüeta del armazón de acolchado libre de acoplamiento con los pares de acanaladuras del miembro de unión; Figure 3 is a cross-sectional side view of the front support shown in Figure 1, with the tongue of the padding frame free of engagement with the pairs of grooves of the connecting member;

La Figura 4 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, situado adyacente a la cabeza de un usuario o persona que lo lleva, con las lengüetas y acanaladuras acopladas en la primera de cuatro posiciones; Figure 4 is a cross-sectional side view of the front support shown in Figure 1, located adjacent to the head of a user or person wearing it, with the tabs and grooves coupled in the first of four positions;

La Figura 5 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, situado adyacente a la cabeza de un usuario, con las lengüetas y acanaladuras acopladas en la segunda de cuatro posiciones; Figure 5 is a cross-sectional side view of the front support shown in Figure 1, located adjacent to the head of a user, with the tabs and grooves engaged in the second of four positions;

La Figura 6 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, situado adyacente a la cabeza de un usuario, con las lengüetas y acanaladuras acopladas en la tercera de cuatro posiciones; Figure 6 is a cross-sectional side view of the front support shown in Figure 1, located adjacent to a user's head, with the tabs and grooves engaged in the third of four positions;

La Figura 7 es una vista lateral en corte transversal del soporte de frente mostrado en la Figura 1, situado adyacente a la cabeza de un usuario, con las lengüetas y acanaladuras acopladas en la cuarta de cuatro posiciones; Figure 7 is a cross-sectional side view of the front support shown in Figure 1, located adjacent to a user's head, with the tabs and grooves engaged in the fourth of four positions;

La Figura 8 es una vista parcial en despiece y en perspectiva de una segunda realización de un soporte de frente para uso en la invención; Figure 8 is a partial exploded and perspective view of a second embodiment of a front support for use in the invention;

La Figura 9 es una vista lateral en corte transversal de una tercera realización de soporte de frente para uso en la invención, que incluye un armazón de acolchado y un miembro de unión integralmente formados; Figure 9 is a cross-sectional side view of a third embodiment of front support for use in the invention, which includes an integrally formed padding frame and joint member;

La Figura 10 es una vista en corte transversal del soporte de frente que se ha mostrado en la Figura 9, con la lengüeta y las acanaladuras acopladas en la primera de cuatro posiciones; Figure 10 is a cross-sectional view of the front support shown in Figure 9, with the tongue and grooves engaged in the first of four positions;

La Figura 11 es una vista en corte transversal del soporte de frente mostrado en la Figura 9, con la lengüeta y las acanaladuras acopladas en la segunda de cuatro posiciones; Figure 11 is a cross-sectional view of the front support shown in Figure 9, with the tongue and grooves engaged in the second of four positions;

La Figura 12 es una vista en corte transversal del soporte de frente mostrado en la Figura 9, con la lengüeta y las acanaladuras acopladas en la tercera de cuatro posiciones; Figure 12 is a cross-sectional view of the front support shown in Figure 9, with the tongue and grooves engaged in the third of four positions;

La Figura 13 es una vista en corte transversal del soporte de frente mostrado en la Figura 9, con la lengüeta y las acanaladuras acopladas en la cuarta de cuatro posiciones; Figure 13 is a cross-sectional view of the front support shown in Figure 9, with the tongue and grooves engaged in the fourth of four positions;

La Figura 14 es una vista en corte transversal del soporte de frente mostrado en la Figura 9, con la lengüeta libre de acoplamiento con las acanaladuras; y Figure 14 is a cross-sectional view of the front support shown in Figure 9, with the tongue free of engagement with the grooves; Y

La Figura 15 es una vista lateral, con detalles ampliados, de una cuarta realización de un soporte de frente para uso en la invención. Figure 15 is a side view, with enlarged details, of a fourth embodiment of a front support for use in the invention.

Descripción detallada de la realización preferida Detailed description of the preferred embodiment

La Figura 1 muestra una primera realización de un soporte 10 de frente para uso en la presente invención. El soporte 10 de frente incluye un armazón 12 de acolchado generalmente con forma de T, montado de forma pivotante en un miembro de unión 14. El miembro de unión 14 está conectado o unido a una máscara respiratoria nasal 16 que se utiliza para suministrar un gas respirable a las vías respiratorias de un usuario o persona que la lleva. Figure 1 shows a first embodiment of a front support 10 for use in the present invention. The front support 10 includes a generally T-shaped padding frame 12, pivotally mounted on a connecting member 14. The connecting member 14 is connected or attached to a nasal respiratory mask 16 which is used to deliver a gas breathable to the airways of a user or person wearing it.

La máscara 16 incluye una semienvuelta o carcasa 17 de máscara y un acolchado 19 de máscara. La carcasa 17 de máscara también incluye un conectador 18 en ángulo, el cual tiene un extremo distal para su conexión a un conducto de suministro de gas (no mostrado), y un extremo proximal 22 para su conexión a la máscara 16. El conectador 18 comunica el gas suministrado desde el conducto de suministro de gas al interior de la máscara 16. La carcasa 17 de máscara también incluye un par de conectadores ranurados 24, a los que se conectan, respectivamente, los extremos de una tira o cinta inferior de cabeza (no mostrada) para asegurar la máscara nasal a la cabeza del usuario. The mask 16 includes a half wrap or mask housing 17 and a mask padding 19. The mask housing 17 also includes an angled connector 18, which has a distal end for connection to a gas supply conduit (not shown), and a proximal end 22 for connection to the mask 16. The connector 18 communicates the gas supplied from the gas supply conduit to the interior of the mask 16. The mask housing 17 also includes a pair of slotted connectors 24, to which the ends of a lower head strip or tape are connected respectively (not shown) to secure the nasal mask to the user's head.

El miembro de unión 14 se conecta o une a la parte superior de la carcasa 17 de máscara, en posición generalmente The connecting member 14 connects or joins the upper part of the mask housing 17, generally in position

adyacente a la nariz del usuario y por encima de esta. Se apreciará que la máscara nasal 16 que se muestra constituye tan solo un ejemplo de una máscara respiratoria que puede ser soportada por el soporte 10 de frente. Por ejemplo, el soporte de frente también encuentra aplicación a la hora de soportar máscaras que cubren toda la cara (esto es, la nariz y la boca). adjacent to the user's nose and above it. It will be appreciated that the nasal mask 16 shown is only an example of a respiratory mask that can be supported by the front support 10. For example, the front support also finds application when it comes to supporting masks that cover the entire face (that is, the nose and mouth).

Soportes de frente para uso en la invención pueden ser también utilizados con máscaras faciales en las que el conectador 18 de suministro de gas está incorporado dentro de la máscara, en la posición general del miembro de unión 14. En este tipo de máscara, el gas suministrado fluye a través del soporte 10 de frente o al lado de este. Front brackets for use in the invention can also be used with face masks in which the gas supply connector 18 is incorporated into the mask, in the general position of the connecting member 14. In this type of mask, the gas supplied flows through the support 10 in front or next to it.

El armazón 12 de acolchado en forma de T incluye un par de acolchados 25 de frente, montados en cada extremo de la porción superior de la T, en el lado que está en contacto con el usuario. Ejemplos de acolchados 25 incluyen espuma de celdas abiertas o cerradas, silicona, espumas de doble valor al medidor de dureza o durómetro, almohadillados individuales o almohadillados múltiples unidos entre sí. Los acolchados 25 de frente pueden haberse moldeado integralmente con el armazón 12 o ser fijados a él mediante sujetadores o adhesivos, o por medios similares. El armazón 12 también incluye un conectador ranurado 26, adyacente a cada uno de los acolchados 25 de frente, al que se conectan o unen, respectivamente, los extremos de una tira superior de cabeza (no mostrada) para asegurar el armazón 12 de acolchado a la cabeza del usuario. The T-shaped quilting frame 12 includes a pair of front quilts 25, mounted at each end of the upper portion of the T, on the side that is in contact with the user. Examples of padding 25 include open or closed cell foam, silicone, dual value foams to the hardness meter or durometer, individual cushions or multiple cushions bonded together. The front padding 25 may have been integrally molded with the frame 12 or fixed thereto by fasteners or adhesives, or by similar means. The frame 12 also includes a slotted connector 26, adjacent to each of the front padding 25, to which the ends of an upper head strip (not shown) are connected or attached respectively to secure the padding frame 12 to The user's head.

El armazón 12 de acolchado en forma de T también incluye un par de vástagos 27 (de los que únicamente se muestra uno) en la porción inferior de la T, los cuales son recibidos, cada uno de ellos, respectivamente, dentro de unas aberturas parcialmente circulares 28 (de las cuales tan solo se ha mostrado una) practicadas en el miembro de unión 14. Los vástagos 27 pueden pivotar o rotar dentro de sus respectivas aberturas 28 con el fin de hacer posible un movimiento pivotante o rotacional entre el armazón 12 de acolchado y el miembro de unión 14 alrededor de un eje 30, en la dirección de la flecha de dos puntas 31. The T-shaped padding frame 12 also includes a pair of stems 27 (of which only one is shown) in the lower portion of the T, which are each received, respectively, within partially openings. circular 28 (of which only one has been shown) made in the connecting member 14. The rods 27 can pivot or rotate within their respective openings 28 in order to make possible a pivotal or rotational movement between the frame 12 of padding and the connecting member 14 about an axis 30, in the direction of the two-pointed arrow 31.

La forma curva de los acolchados 25 les permite “rodar” de manera efectiva sobre la frente del usuario durante el ajuste angular entre el armazón 12 de acolchado y el miembro de unión 14. The curved shape of the padding 25 allows them to "roll" effectively on the user's forehead during the angular adjustment between the padding frame 12 and the connecting member 14.

Como mejor se muestra en las Figuras 2 y 3, el armazón 12 de acolchado también incluye un miembro flexible 32 que tiene dos lengüetas 34 situadas lado con lado y separadas una de otra, y un botón sobresaliente intermedio 36 en su extremo distal. El miembro de unión 14 también incluye dos porciones 38 generalmente configuradas en arco, cada una de las cuales tiene un par de cuatro acanaladuras 40. Se apreciará que el par de cuatro acanaladuras es tan solo preferible, y que únicamente son necesarias dos o más acanaladuras. Se apreciará también que el miembro flexible 32 puede estar situado en el miembro de unión 14 y que las acanaladuras 40 pueden estar en el armazón 12 de acolchado. La lengüeta 34 y las acanaladuras 40 se extienden en una dirección sustancialmente paralela a una línea que se extiende radialmente desde el eje 30. As best shown in Figures 2 and 3, the padding frame 12 also includes a flexible member 32 having two tabs 34 located side by side and separated from each other, and an intermediate protruding button 36 at its distal end. The connecting member 14 also includes two generally shaped arc portions 38, each of which has a pair of four grooves 40. It will be appreciated that the pair of four grooves is only preferable, and that only two or more grooves are necessary . It will also be appreciated that the flexible member 32 may be located in the connecting member 14 and that the grooves 40 may be in the padding frame 12. The tongue 34 and the grooves 40 extend in a direction substantially parallel to a line extending radially from the axis 30.

El armazón 12 de acolchado está construido de un material plástico, tal como polipropileno o policarbonato, lo que permite que el miembro 32 sea flexionado con respecto al armazón 12 de acolchado en el que está montado, cuando se aplica presión al botón 36 en la dirección de la flecha 42. El movimiento correspondiente de las lengüetas 34 las libera de su acoplamiento con uno de los pares de acanaladuras 40 (como se ha mostrado en la Figura 3) con el fin de permitir el ajuste angular entre el armazón 12 de acolchado y el miembro de unión 14 alrededor del eje 30. La liberación del botón 36 permite a la lengüeta 34 flexionarse de forma elástica hacia atrás, en dirección a las acanaladuras 40. Cuando las lengüetas 34 y uno de los pares de acanaladuras 40 quedan alineados (tal como se muestra en las Figuras 2 y 4 a 7), las lengüetas 34 se acoplan con una del par de acanaladuras 40. Cuando las lengüetas 34 son acopladas con una del par de acanaladuras, el armazón 12 de acolchado y el miembro de unión 14 son bloqueados contra el movimiento pivotante entre ellas, en un ángulo predeterminado. The padding frame 12 is constructed of a plastic material, such as polypropylene or polycarbonate, which allows the member 32 to be flexed with respect to the padding frame 12 on which it is mounted, when pressure is applied to the button 36 in the direction of the arrow 42. The corresponding movement of the tabs 34 releases them from their coupling with one of the pairs of grooves 40 (as shown in Figure 3) in order to allow angular adjustment between the padding frame 12 and the connecting member 14 around the axis 30. The release of the button 36 allows the tongue 34 to flex flexibly backwards, in the direction of the grooves 40. When the tongues 34 and one of the pairs of grooves 40 are aligned (such as shown in Figures 2 and 4 to 7), the tabs 34 are coupled with one of the pair of grooves 40. When the tabs 34 are coupled with one of the pair of grooves, the frame 12 of a The quilt and the connecting member 14 are locked against the pivoting movement between them, at a predetermined angle.

Las Figuras 4 a 7 muestran, respectivamente, el soporte 10 de frente en posición adyacente a las cabezas de diferentes usuarios, con las lengüetas 34 acopladas dentro de los primer, segundo, tercer y cuarto de los cuatro pares de acanaladuras 40. Figures 4 to 7 show, respectively, the front support 10 adjacent to the heads of different users, with the tabs 34 coupled within the first, second, third and fourth of the four pairs of grooves 40.

Como se ha mostrado en la Figura 7, el ángulo comprendido entre el armazón 12 de acolchado y el miembro de unión 14 adyacente a la frente el usuario puede ser incrementado para adaptarse a usuarios con regiones nasales relativamente altas y frentes relativamente bajas (Figuras 4 y 5), y reducirse para adaptarse a usuarios con regiones nasales relativamente bajas y frentes relativamente altas (Figuras 6 y 7). As shown in Figure 7, the angle between the padding frame 12 and the connecting member 14 adjacent to the forehead the user can be increased to accommodate users with relatively high nasal regions and relatively low fronts (Figures 4 and 5), and reduced to fit users with relatively low nasal regions and relatively high fronts (Figures 6 and 7).

De esta forma, el soporte de frente 10 permite, ventajosamente, que la máscara 16 se coloque de manera que se adapte cómodamente a la topografía particular del rostro del usuario, a fin de asegurarse de que el acolchado 19 de la máscara se coloca idealmente con respecto a la cara del usuario. Como ejemplos de ello, la posición relativa del armazón 12 de acolchado y el miembro de unión 14 de la Figura 4 será más adecuada para utilizarse con un usuario que tiene una frente huidiza o poco pronunciada, o las mejillas o la nariz sobresalientes, al tiempo que la posición del armazón de acolchado y del miembro de unión 14 de la Figura 7 serán más adecuadas para utilizarse con un usuario que tiene una frente sobresaliente o protuberante. In this way, the front support 10 allows, advantageously, that the mask 16 be positioned so that it fits comfortably to the particular topography of the user's face, in order to ensure that the padding 19 of the mask is ideally placed with Regarding the user's face. As examples of this, the relative position of the padding frame 12 and the connecting member 14 of Figure 4 will be more suitable for use with a user having an elusive or slightly pronounced forehead, or protruding cheeks or nose, at the same time that the position of the padding frame and the connecting member 14 of Figure 7 will be more suitable for use with a user having an protruding or protruding front.

La Figura 8 muestra una segunda realización de un soporte 50 de frente para uso en la presente invención. Se utilizarán los mismos números de referencia que los empleados para describir la primera realización, para Figure 8 shows a second embodiment of a front support 50 for use in the present invention. The same reference numbers as the employees will be used to describe the first embodiment, to

características similares en relación con la segunda realización. similar characteristics in relation to the second embodiment.

En la segunda realización, existen dos botones 36. El hecho de apretar los botones a la vez en la dirección de las flechas 52 flexiona las lengüetas 34 una hacia la otra con el fin de desacoplarlas de las acanaladuras 40 y permitir el ajuste angular entre el armazón 12 de acolchado y el miembro de unión 14. La liberación de los botones 36 permite que las lengüetas 34 se flexionen elásticamente en dirección a las acanaladuras 40 y hasta entrar en acoplamiento con estas, a fin de bloquear el armazón 12 de acolchado y el miembro de unión 14 contra un movimiento pivotante relativo. In the second embodiment, there are two buttons 36. The fact of pressing the buttons at the same time in the direction of the arrows 52 flexes the tabs 34 towards each other in order to disengage them from the grooves 40 and allow the angular adjustment between the padding frame 12 and the connecting member 14. The release of the buttons 36 allows the tabs 34 to flex flexibly in the direction of the grooves 40 and until they engage with them, in order to block the padding frame 12 and the connecting member 14 against a relative pivoting movement.

Las Figuras 9 a 14 muestran una tercera realización de un soporte 60 de frente para uso en la presente invención. Los mismos números de referencia que los utilizados a la hora de describir la primera realización se utilizarán también para denotar características similares en relación con la tercera realización. Figures 9 to 14 show a third embodiment of a front support 60 for use in the present invention. The same reference numbers as those used when describing the first embodiment will also be used to denote similar characteristics in relation to the third embodiment.

En la tercera realización, el armazón 12 de acolchado está moldeado integralmente con el miembro de unión 14 y unido mediante una articulación integral 62 (en ocasiones conocida como articulación natural o viva). El armazón 12 de acolchado y el miembro de unión 14 pueden hacerse pivotar uno con respecto al otro en torno a la articulación In the third embodiment, the padding frame 12 is integrally molded with the connecting member 14 and joined by an integral joint 62 (sometimes known as natural or live joint). The padding frame 12 and the connecting member 14 can be pivoted relative to each other around the joint

62. El soporte 60 de frente se ha moldeado en una configuración sustancialmente ‘plana’, tal como se muestra en la Figura 9. El armazón 12 de acolchado se hace entonces pivotar aproximadamente 180 grados con respecto al miembro de unión 14, hasta que la lengüeta 34 se acopla con una de las cuatro acanaladuras 40. Al igual que con las realizaciones anteriores, el hecho de apretar el botón 36 en la dirección de la flecha 42 libera la lengüeta 34 del acoplamiento con las acanaladuras con el fin de permitir el ajuste del ángulo entre el armazón 12 de acolchado y el miembro de unión 14. El botón 36 y la lengüeta 34 están inherentemente cargados hacia una posición de acoplamiento con una de las acanaladuras 40, lo que de nuevo es consistente con realizaciones anteriores. 62. The front support 60 has been molded in a substantially 'flat' configuration, as shown in Figure 9. The quilting frame 12 is then pivoted approximately 180 degrees with respect to the connecting member 14, until the tongue 34 is coupled with one of the four grooves 40. As with the previous embodiments, pressing the button 36 in the direction of the arrow 42 releases the tongue 34 from the coupling with the grooves in order to allow adjustment of the angle between the padding frame 12 and the connecting member 14. The button 36 and the tongue 34 are inherently loaded towards a coupling position with one of the grooves 40, which again is consistent with previous embodiments.

En la forma preferida que se muestra, la carcasa 17 de la máscara se ha formado también integralmente con el miembro de unión 14. Esto simplifica la fabricación y el ensamblaje, y reduce los costes de fabricación. El soporte 60 de frente está fabricado, preferiblemente, de polipropileno debido a su capacidad para moldear articulaciones integrales. In the preferred form shown, the housing 17 of the mask has also been formed integrally with the connecting member 14. This simplifies manufacturing and assembly, and reduces manufacturing costs. The front support 60 is preferably made of polypropylene due to its ability to mold integral joints.

La Figura 15 muestra una cuarta realización de un soporte 100 de frente para uso en la invención. Los mismos números de referencia que los utilizados para describir la primera realización se utilizarán también para denotar características similares en relación con la cuarta realización. Figure 15 shows a fourth embodiment of a front support 100 for use in the invention. The same reference numbers as those used to describe the first embodiment will also be used to denote similar characteristics in relation to the fourth embodiment.

La cuarta realización es casi idéntica a la primera realización, a excepción de que la lengüeta 34 y las acanaladuras 40 están dispuestas en ángulo con respecto a una línea que se extiende radialmente desde el eje 30 hasta la lengüeta 34 o las acanaladuras 40. Esta disposición en ángulo reduce la probabilidad de que la lengüeta 34 se libere inadvertidamente de su acoplamiento con una de las acanaladuras 40 si la parte frontal de la máscara 16 es sometida a una fuerza en la dirección del rostro del usuario. The fourth embodiment is almost identical to the first embodiment, except that the tongue 34 and the grooves 40 are arranged at an angle with respect to a line that extends radially from the axis 30 to the tongue 34 or the grooves 40. This arrangement at an angle reduces the likelihood of the tongue 34 being inadvertently released from its engagement with one of the grooves 40 if the front part of the mask 16 is subjected to a force in the direction of the user's face.

Si bien la invención se ha descrito con referencia a un ejemplo específico, se apreciará por los expertos de la técnica que la invención puede ser materializada de muchas otras formas. While the invention has been described with reference to a specific example, it will be appreciated by those skilled in the art that the invention can be embodied in many other ways.

Como ejemplo de ello, el soporte de frente puede incluir medios para cargar elásticamente el armazón de acolchado y el miembro de unión uno con respecto al otro de una manera tal, que estos aumenten o disminuyan el ángulo que forman uno con respecto al otro cuando las lengüetas son desacopladas de uno de los pares de ranuras. As an example of this, the front support may include means for elastically loading the quilting frame and the connecting member with respect to each other in such a way that these increase or decrease the angle that they form with respect to each other when the Tabs are decoupled from one of the pairs of slots.

Claims (8)

REIVINDICACIONES 1.-Un conjunto de máscara respiratoria que comprende una máscara respiratoria (16) y un soporte (10) de frente, configurado para ser asegurado a la máscara (16), de tal manera que dicho soporte (10) de frente incluye un miembro de unión (14), destinado a asegurarse a la máscara (16), y un armazón (12) de acolchado, montado de forma pivotante en el miembro de unión (14), en el cual 1. A respiratory mask assembly comprising a respiratory mask (16) and a front support (10), configured to be secured to the mask (16), such that said front support (10) includes a member connection (14), intended to secure the mask (16), and a padding frame (12), pivotally mounted on the connection member (14), in which el armazón (12) de acolchado está configurado para situar uno o más acolchados (25) de frente; the padding frame (12) is configured to place one or more quilts (25) facing; el armazón (12) de acolchado está configurado para pivotar con respecto al miembro (14) de unión; caracterizado por que the padding frame (12) is configured to pivot with respect to the connecting member (14); characterized by that el armazón (12) de acolchado es susceptible de bloquearse selectivamente en dos o más posiciones angulares predeterminadas con respecto al miembro de unión (14). The padding frame (12) is capable of selectively locking in two or more predetermined angular positions with respect to the connecting member (14). 2.-El conjunto de máscara de acuerdo con la reivindicación 1, en el cual el armazón (12) de acolchado está configurado con forma de T e incluye un acolchado de frente en cada extremo de la porción superior de la T. 2. The mask assembly according to claim 1, wherein the padding frame (12) is configured in a T-shape and includes a front padding at each end of the upper portion of the T. 3.-El conjunto de máscara de acuerdo con la reivindicación 1 o la reivindicación 2, en el cual uno de entre el armazón (12) de acolchado o el miembro de unión (14) incluye una lengüeta (34) configurada para ser recibida dentro de una de al menos dos acanaladuras (40) proporcionadas en el otro de entre el armazón (12) de acolchado 3. The mask assembly according to claim 1 or claim 2, wherein one of the padding frame (12) or the connecting member (14) includes a tongue (34) configured to be received inside of one of at least two grooves (40) provided in the other between the padding frame (12) o el miembro de unión (14), con el fin de bloquear el armazón (12) de acolchado y el miembro de unión (14) en una de las dos o más posiciones angulares predeterminadas. or the connecting member (14), in order to block the padding frame (12) and the connecting member (14) in one of the two or more predetermined angular positions. 4.-El conjunto de máscara de acuerdo con la reivindicación 3, en el cual se ha proporcionado un par de las lengüetas (34) en el armazón (12) de acolchado y se han proporcionado al menos dos pares de acanaladuras en el miembro de unión (14). 4. The mask assembly according to claim 3, wherein a pair of the tabs (34) have been provided in the padding frame (12) and at least two pairs of grooves have been provided in the member of union (14). 5.-El conjunto de máscara de acuerdo con la reivindicación 3 o la reivindicación 4, en el cual la(s) lengüeta(s) 34 está(n) dispuesta(s) en un miembro semirrígido que se ha configurado para permitir que la(s) lengüeta(s) 34 sea(n) desplazada(s) fuera de acoplamiento con las acanaladuras (40) por manipulación manual del miembro. 5. The mask assembly according to claim 3 or claim 4, wherein the tongue (s) 34 is arranged in a semi-rigid member that has been configured to allow the (s) tongue (s) 34 are displaced out of engagement with grooves (40) by manual manipulation of the member. 6.-El conjunto de máscara de acuerdo con una cualquiera de las reivindicaciones 3 a 5, en el cual la(s) lengüeta(s) 6. The mask assembly according to any one of claims 3 to 5, wherein the tongue (s) (34) está(n) conectada(s) o unida(s) a un botón (36) configurado para sobresalir desde el armazón (12) de acolchado, con el fin de facilitar la manipulación manual de un, o del, miembro semirrígido. (34) is (is) connected or connected (s) to a button (36) configured to protrude from the padding frame (12), in order to facilitate the manual manipulation of one, or of the semi-rigid member . 7.-El conjunto de máscara de acuerdo con una cualquiera de las reivindicaciones precedentes, en el cual la máscara (16) y/o el armazón (12) de acolchado incluyen medios (26) para conectar o unir una tira o cinta de cabeza a los mismos. 7. The mask assembly according to any one of the preceding claims, wherein the mask (16) and / or the padding frame (12) include means (26) for connecting or joining a head strip or tape to them. 8.-El conjunto de máscara de acuerdo con cualquiera de las reivindicaciones precedentes, en el cual el miembro de unión (14) y/o el armazón (12) de acolchado están fabricados de polipropileno o policarbonato. 8. The mask assembly according to any of the preceding claims, wherein the connecting member (14) and / or the padding frame (12) are made of polypropylene or polycarbonate.
ES08161868T 1999-06-18 2000-02-11 Respiratory mask with a front support Expired - Lifetime ES2433204T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPQ1040A AUPQ104099A0 (en) 1999-06-18 1999-06-18 Forehead support for facial mask
AUPQ104099 1999-06-18

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EP (6) EP1187647B1 (en)
JP (4) JP3686609B2 (en)
AT (2) ATE301487T1 (en)
AU (3) AUPQ104099A0 (en)
DE (2) DE60021884T2 (en)
ES (1) ES2433204T3 (en)
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WO (1) WO2000078384A1 (en)

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